mygearcheck
full-screen colour cycler9 colours

Clean your screen first. Start the test (or press F), then click or use the arrow keys to cycle colours. Look for dots that stay dark or show the wrong colour. Press Escape to exit at any time.

Warranty checklist

Dead pixel
gets no power and stays black on every colour. Easiest to see on white.
Stuck pixel
stays lit in one colour: red, green, blue or white. Easiest to see on black.

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#PositionTypeCountDate seen
No faults logged.

Total: 0 dead, 0 stuck. Self-reported, logged in the browser with mygearcheck.com/dead-pixel-test.

Stored in this browser only. Nothing is uploaded; clear checklist removes it.

Dead Pixel Test by MyGearCheck